在英语学习中,虚拟语气通常是重点加难点,考试从来不会少出,但又往往弄得同学们焦头烂额,丢分不断,今天就来和大家一起学习一下状语从句中的虚拟语气用法。 英语的动词有三种语气形式,即陈述语气、祈使语气和虚拟语气,陈述语气用来说明事实或就事实提出询问,祈使语气用于表示请求、命令、建议或警告等,而虚拟语气则是谓语动词的一种特殊形式,用来表达假设、猜测、可能或空想等虚拟情况,也可以表示主观愿望或表达某种强烈的感情,通常出现在各类从句中。 一. 条件状语从句: 时间 从句谓语形式 主句谓语形式 将来 if + 主语+ 动词过去式(be用were) if+主语+should + 动词原形 if+主语+were to + 动词原形 主语+would / should / might / could + 动词原形 现在 if +主语+ 动词一般过去时 主语+ would / should / might / could + 动词原形 过去 if+ 主语+had done 主语+would / should / might / could have + 动词过去分词 例句: 1.现在: If I were you,I would choose that picture. 2.过去: If you had taken my advice,you would not have made such a mistake. 3.将来: If there were a sunny day next Sunday,we would go hiking. 二. 目的状语从句: 1.在for fear that,in case,lest引导的从句中,若用虚拟语气时,从句谓语为:(should) + do。 eg. He started out earlier in case he (should) be late. 2.在so that,in order that所引导的目的状语从句中,从句中的谓语为:can / could / may / might / will / would /should + do。 eg. He goes closer to the speaker so that he can hear him clearer. 三. 原因状语从句: 1. should + 原形动词,表现在或将来 eg. He was angry that you should call him by name. 2. should + 完成式, 表过去 eg. I’m very sorry that you should have failed the test. 四.方式状语从句: 虚拟语气常用于as if, as though 引导的方式状语从句: 时间 结构 主句动作之前 had + 过去分词 主句动作之后 would / could / might / should+动词原形 eg. They began to talk warmly as if they had known each other for long. They stopped talking as if someone should come. |
|